The main details of the Solex 1B2 carburetor:
1 - carburetor body; 2 - return spring; 14 - throttle stop screw; 16 — hatch of the auxiliary starting device actuator; 18 - plug quality adjusting screw (composition) mixtures; 19 - quality adjusting screw (composition) mixtures; 20 - sealing gasket; 21 - adjusting screw idling; 22 - sealing gasket; 24 - corrector of the qualitative composition of the mixture of the auxiliary starting device; 26 - auxiliary starting device actuator; 30 - throttle actuator; 32 - electromagnetic shut-off valve; 33 - air and fuel jets of the main idle system; 34 - air and fuel jets of the auxiliary idling system; 35 - main fuel jet; 36-41 - details of the accelerator pump; 43 - spray accelerator pump; 54 - needle valve; 55 - float; 58 — accelerator pump drive parts; 62-67 - details of the body of the starting device; 68 - starter cover.
Air damper starting gap adjustment
See the relevant paragraph in the subsection «Solex carburetor «Zenith» 2B4»).
Warning. The carburetor IB2 choke start gap is 4.5 mm.